US8340100B2 - Method and apparatus for controlling quality of service in universal plug and play network - Google Patents

Method and apparatus for controlling quality of service in universal plug and play network Download PDF

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Publication number
US8340100B2
US8340100B2 US12/168,307 US16830708A US8340100B2 US 8340100 B2 US8340100 B2 US 8340100B2 US 16830708 A US16830708 A US 16830708A US 8340100 B2 US8340100 B2 US 8340100B2
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qos
traffic
mode
modes
service
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US20090052324A1 (en
Inventor
Seung-jae Oh
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Samsung Electronics Co Ltd
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Samsung Electronics Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/50—Network service management, e.g. ensuring proper service fulfilment according to agreements
    • H04L41/5003—Managing SLA; Interaction between SLA and QoS
    • H04L41/5019—Ensuring fulfilment of SLA
    • H04L41/5022—Ensuring fulfilment of SLA by giving priorities, e.g. assigning classes of service
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0893—Assignment of logical groups to network elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0894—Policy-based network configuration management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/50—Network service management, e.g. ensuring proper service fulfilment according to agreements
    • H04L41/5003—Managing SLA; Interaction between SLA and QoS
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/50—Network service management, e.g. ensuring proper service fulfilment according to agreements
    • H04L41/5003—Managing SLA; Interaction between SLA and QoS
    • H04L41/5019—Ensuring fulfilment of SLA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/24—Traffic characterised by specific attributes, e.g. priority or QoS
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/24—Traffic characterised by specific attributes, e.g. priority or QoS
    • H04L47/2425—Traffic characterised by specific attributes, e.g. priority or QoS for supporting services specification, e.g. SLA
    • H04L47/2433—Allocation of priorities to traffic types
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/40—Network security protocols

Definitions

  • the present invention relates to a home network, and more particularly, to a method of controlling Quality of Service (QoS) of a service provided by devices in a universal plug and play (UPnP) network.
  • QoS Quality of Service
  • UPN universal plug and play
  • UnP Universal plug and play
  • UPnP is a protocol capable of finding and controlling electric appliances connected to a network.
  • UPnP is used as a standard technique of home networking.
  • the UPnP QoS architecture is a standard for securing QoS for services in the network by controlling traffic communicated among a plurality of devices in the UPnP network. Services such as QoS device services, QoS policy holder services, QoS manager services, and the like are defined in the UPnP QoS architecture.
  • the UPnP QoS architecture is used to use multimedia contents such as audio and video through a network.
  • FIG. 1A illustrates a UPnP network constructed with a device for providing a QoS device service (hereinafter, referred to as a QoS device), a device for providing a QoS policy holder service (hereinafter, referred to as a policy holder), and a device for providing a QoS manager service (hereinafter, referred to as a QoS manager).
  • a QoS device a device for providing a QoS device service
  • a policy holder hereinafter, referred to as a policy holder
  • QoS manager a device for providing a QoS manager service
  • a user previously sets and stores a traffic policy (for example, priority) in a network in the policy holder.
  • the QoS manager constructs a traffic descriptor by receiving traffic policy information and controls traffic of the QoS devices by using the traffic descriptor.
  • FIG. 1 b is a flow diagram for illustrating a procedure in which UPnP QoS architecture elements communicate with one another.
  • the control point transmits information on traffic to which QoS is to be applied to the QoS manager by calling an action of RequestTrafficQos( ) of the QoS manager service.
  • the transmitted information may include types of source devices, sink devices, and traffic.
  • the QoS manager acquires a traffic policy by calling an action of GetTrafficPolicy( ) defined in the QoS policy holder service based on the transmitted information.
  • the traffic policy indicates information for controlling QoS for the traffic such as an admission policy, a traffic importance number, a user importance number, and the like. Since a detailed description of information constituting traffic elements is included in UPnP QoS architecture document, a detailed description thereof will be omitted.
  • the QoS manager calls the actions of GetPathInformation( ), GetQoSDeviceInformation( ), and GetQoSState( ) defined in the QoS device service so as to recognize a path of the traffic and capability of devices located on the path of the traffic.
  • the QoS manager controls traffic of the QoS devices by calling an action of SetupTrafficQos( ) of the QoS device services based on the gathered information.
  • the present invention provides a method and apparatus for flexibly controlling traffic of a QoS manager service in a network based on various QoS modes that are previously set by a user.
  • a method of allowing a universal plug and play (UPnP) device to provide a Quality of Service (QoS) manager service comprising: receiving a QoS request based on a QoS mode from a control point; acquiring traffic policies that are previously set for a plurality of traffic items for the QoS mode from a QoS policy holder service; and controlling a plurality of QoS device services of the network based on the acquired traffic polices.
  • UPN universal plug and play
  • QoS Quality of Service
  • the receiving of the QoS request may comprise receiving a message for calling a predetermined action of the QoS manager service by using an identifier for representing the QoS mode as an input parameter from the control point, and the acquiring of the traffic policies may comprise: calling a predetermined action of the QoS policy holder service by using the identifier as an input parameter; and receiving traffic policies that are previously set for the QoS mode as an output parameter for the calling.
  • a computer-readable medium having embodied thereon a computer program for executing the method above.
  • an device for providing a Quality of Service (QoS) manager service in a universal plug and play (UPnP) network comprising: a QoS request receiver receiving a QoS request based on a QoS mode from a control point; a traffic policy acquirer acquiring traffic policies that are previously set for a plurality of traffic items for the QoS mode from a QoS policy holder service; and a QoS controller controlling a plurality of QoS device services of the network based on the acquired traffic polices.
  • QoS Quality of Service
  • UPN universal plug and play
  • the QoS request receiver may receive a message for calling a predetermined action of the QoS manager service by using an identifier for representing the QoS mode as an input parameter from the control point, and the traffic policy acquirer may call a predetermined action of the QoS policy holder service by using the identifier as an input parameter and receives traffic polices that are previously set for the QoS mode as an output parameter, in response to the calling.
  • a method of providing a Quality of Service (QoS) policy holder service in a universal plug and play (UPnP) network comprising: receiving a request for traffic policies that are previously set for a QoS mode from a device for providing a QoS manager service; and transmitting traffic polices that are previously set for a plurality of traffic items for the QoS mode to the device.
  • QoS Quality of Service
  • UPF universal plug and play
  • the receiving of the request may include receiving a message for calling a predetermined action of the QoS policy holder service by using an identifier for representing the QoS mode as an input parameter from the device.
  • the method may further comprise: receiving a message for calling a predetermined action of the QoS policy holder service from a control point; and providing information on at least one selected from the group consisting of QoS mode names of all the QoS modes managed by the QoS policy holder, sink and source devices of traffic items, and priorities of traffic items to the control point, in response to the calling.
  • the method may further comprise: receiving a message for calling a predetermined action defined in the QoS policy holder service; and editing information on at least one QoS mode managed by the QoS policy holder service based on input parameters included in the received message.
  • a computer-readable medium having embodied thereon a computer program for executing the method above.
  • an apparatus for providing a Quality of Service (QoS) policy holder service in a universal plug and play (UPnP) network comprising: a traffic policy request receiver receiving a request for traffic policies that are previously set for a QoS mode from a device for providing a QoS manager service; and a traffic policy provider transmitting traffic policies that are previously set for a plurality of traffic items for the QoS mode to the device.
  • QoS Quality of Service
  • UPN universal plug and play
  • the traffic policy request receiver may receive a message for calling a predetermined action of the QoS policy holder service by using an identifier for representing the QoS mode as an input parameter from the device.
  • FIGS. 1A and 1B illustrate a procedure in which UPnP QoS architecture elements communicate with one another according to an existing technique
  • FIG. 2 is a flowchart of a procedure in which a UPnP device provides a QoS manager service according to an embodiment of the present invention
  • FIG. 3A is a flowchart of a procedure in which a UPnP device provides a QoS policy holder service according to an embodiment of the present invention
  • FIG. 3B illustrates a screen in which information on QoS modes is displayed to a user according to an embodiment of the present invention
  • FIG. 4 is a flowchart of a procedure in which UPnP QoS elements communicate with one another according to an embodiment of the present invention.
  • FIG. 5 illustrates a structure of a device for providing a UPnP QoS manager service and a structure of a device for providing a UPnP QoS policy holder service.
  • FIG. 2 is a flowchart of a procedure in which a UPnP device provides a QoS manager service according to an embodiment of the present invention.
  • a QoS manager receives a QoS request based on a predetermined QoS mode from a control point. This is a procedure in which the control point calls an action that is newly defined in the QoS manager service. At this time, an identifier of the QoS mode requested by the control point is used as an input parameter.
  • the QoS manager in order to acquire traffic policies for the QoS mode, the QoS manager calls an action that is newly defined in a QoS policy holder service according to the embodiment of the present invention. At this time, the identifier of the QoS mode is also used as an input parameter.
  • the QoS manager receives the traffic policies for the QoS mode from a QoS policy holder.
  • the QoS manager controls QoS device services based on the received traffic polices.
  • FIG. 3A is a flowchart of a procedure in which a UPnP device provides a QoS policy holder service according to an embodiment of the present invention.
  • the QoS policy holder receives a message for requesting a browse of all the QoS modes managed by the QoS policy holder from the control point.
  • This is a procedure in which the control point calls an action of the QoS policy holder service by using an identifier for the QoS mode as an input parameter. This action is newly defined in the QoS policy holder according to the embodiment of the present invention.
  • the QoS policy holder provides mode information on all the QoS modes.
  • the mode information includes all the traffic policies for each QoS mode. Accordingly, mode information includes QoS mode names for traffic, source and sink devices of traffic, priority of traffic, and the like.
  • FIG. 3B illustrates an example of the mode information displayed to the user. Referring to FIG. 3B , a priority level of traffic transmitted from a media server in a living room to a television (TV) in the living room is highest.
  • TV television
  • the QoS policy holder receives a message for requesting the mode information to be edited.
  • An action used for this case is newly defined in the QoS policy holder according the embodiment of the present invention.
  • the QoS policy holder edits the mode information of the QoS. That is, the mode information of the new QoS mode is generated, or the existing mode information is modified or deleted.
  • the QoS policy holder receives a message for requesting traffic policies that are set in a predetermined QoS mode from the control point. This is a procedure in which the QoS manager calls an action that is newly defined in the QoS policy holder service according to the embodiment of the present invention so as to acquire the traffic policies for the QoS mode.
  • the QoS policy holder provides traffic policies that are previously set for the QoS mode to the QoS manager.
  • FIG. 4 is a flowchart of a procedure in which UPnP QoS elements communicate with one another according to an embodiment of the present invention.
  • control point calls an action of BrowseQoSModes( ) of the QoS policy holder service so as to browse QoS modes that are currently set.
  • the QoS policy holder returns mode information of all the QoS modes managed by the QoS policy holder.
  • the mode information includes traffic policies for each QoS mode.
  • control point calls an action of EditQoSMode( ) of the QoS policy holder service so as to edit the mode information.
  • the QoS policy holder In operation 404 , the QoS policy holder generates a new QoS mode and mode information on the new QoS mode, or deletes or modifies the existing mode information, with reference to input parameters of the message that is received in operation 403 .
  • control point calls an action of RequestModeQoS( ) of the QoS manager service so as to set the traffic items of the network to a predetermined QoS mode.
  • the QoS manager calls an action of GetModeTrafficPolicy( ) of the QoS policy holder service so as to acquire traffic policies of the requested QoS mode.
  • the QoS policy holder returns the traffic policies that are set for the QoS mode.
  • the QoS manager controls QoS devices based on the traffic policies that are set for the QoS mode.
  • BrowseQoSModes( ), EditQoSMode( ), RequestModeQoS( ), and GetModeTrafficPolicy( ) are newly defined actions according to the embodiment of the present invention.
  • FIG. 5 illustrates a structure of a device 500 for providing a QoS manager service and a structure of a device 550 for providing a QoS policy holder service in a UPnP network according to an embodiment of the present invention.
  • the QoS manager 500 includes a QoS request receiver 501 , a policy information acquirer 502 , and a QoS controller 503 .
  • the QoS request receiver 501 receives a request for controlling traffic based on a predetermined QoS mode from a control point 510 . At this time, an identifier for the QoS mode is input.
  • the traffic policy acquirer 502 imports the traffic policies that are previously set for the QoS mode from the QoS policy holder 550 by using the identifier.
  • the QoS controller 503 controls traffic of a UPnP network by controlling QoS device services 520 based on the traffic policies transmitted from the traffic policy acquirer 502 .
  • the QoS policy holder 550 includes a traffic policy request receiver 551 , a traffic policy provider 552 , a storage unit 555 , a mode information provider 553 , and a mode information editor 554 .
  • the traffic policy request receiver 551 receives a request for traffic policies for a predetermined QoS mode from the QoS manager 500 . At this time, an identifier for the QoS mode is received as an input parameter.
  • the traffic policy provider 552 reads mode information of the QoS mode from the storage unit 555 in which information on traffic policies is stored by using the identifier. As described above, the mode information includes traffic policies of the QoS mode.
  • a user can browse mode information for all the QoS modes that are previously set by using any control point 530 in a UPnP network.
  • the mode information provider 553 provides mode information stored in the storage unit 555 to the control point 530 , in response to a request from the control point 530 .
  • the user can edit the mode information stored in the storage unit 555 by using any control point 530 in the UPnP network.
  • an authentication procedure may have to be passed.
  • the mode information provider 553 generates a new QoS mode, or modifies or deletes mode information of the QoS mode that is previously set, in response to a request from the control point 530 .
  • the embodiments of the present invention can be written as computer programs and can be implemented in general-use digital computers that execute the programs using a computer readable recording medium.
  • Examples of the computer readable recording medium include magnetic storage media (e.g., ROM, floppy disks, hard disks, etc.), and optical recording media (e.g., CD-ROMs, or DVDs).
  • magnetic storage media e.g., ROM, floppy disks, hard disks, etc.
  • optical recording media e.g., CD-ROMs, or DVDs.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Computer And Data Communications (AREA)
US12/168,307 2007-08-22 2008-07-07 Method and apparatus for controlling quality of service in universal plug and play network Expired - Fee Related US8340100B2 (en)

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KR1020070084523A KR101441895B1 (ko) 2007-08-22 2007-08-22 ＵＰｎＰ 네트워크에서 ＱｏＳ를 제어하는 방법 및 이를위한 장치

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CN101884197B (zh) 2014-02-12
CN101884197A (zh) 2010-11-10
EP2181524A4 (de) 2010-09-01
US20090052324A1 (en) 2009-02-26
KR20090020087A (ko) 2009-02-26
EP2181524A2 (de) 2010-05-05
WO2009025460A3 (en) 2009-04-16

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